3–6 years of professional experience in frontend development and UX-focused engineering roles. Proficient in React and JavaScript (or TypeScript), including component design, state management, and hooks. Experience building interactive map-based UIs with Mapbox, Leaflet, or similar libraries. Familiarity with WebGL or libraries like Deck.gl, Three.js, or D3. Understanding of responsive design, accessibility standards, and modern frontend workflows. Comfortable working in a collaborative, cross-functional team environment. Experience with RESTful APIs and asynchronous data flows. Strong attention to detail, especially when translating designs into functional interfaces. U.S. citizenship required due to project requirements.